21541718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{1697}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 35331984

約数和(自身を除く): 13790266

約数列:

[1, 2, 11, 22, 577, 1154, 1697, 3394, 6347, 12694, 18667, 37334, 979169, 1958338, 10770859, 21541718]

約数ペア:

[(1, 21541718), (2, 10770859), (11, 1958338), (22, 979169), (577, 37334), (1154, 18667), (1697, 12694), (3394, 6347)]